How many lumens does a regular incandescent 25 watt bulb output?


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A regular incandescent 25 watt light bulb outputs 56,400 lumens. For white light, the maximum luminous efficacy is around 240 lumens per watt, but the exact value is not unique because the human eye can perceive many different mixtures of visible light as "white". Tell your friends about ChaCha!

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